triggerfish UK /ˈtɹɪ.ɡəˌfɪʃ/US /ˈtɹɪ.ɡəɹˌfɪʃ/ noun1 •Any of several brightly coloured fish, of the family Balistidae, that inhabit tropical reefs and have an erectile spine on the dorsal fin. formstriggerfishes
